CN114643452B - Device for long cylinder straight seam welding clamping and weld alignment - Google Patents
Device for long cylinder straight seam welding clamping and weld alignment Download PDFInfo
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- CN114643452B CN114643452B CN202210541137.2A CN202210541137A CN114643452B CN 114643452 B CN114643452 B CN 114643452B CN 202210541137 A CN202210541137 A CN 202210541137A CN 114643452 B CN114643452 B CN 114643452B
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- 238000003466 welding Methods 0.000 title claims abstract description 62
- 238000012937 correction Methods 0.000 claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 238000003825 pressing Methods 0.000 claims description 73
- 230000006698 induction Effects 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005267 amalgamation Methods 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 description 5
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- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
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Abstract
The invention relates to the technical field of welding, in particular to a device for long cylinder straight seam welding clamping and weld seam alignment, which comprises an annular frame, a welding rod and a welding rod, wherein the annular frame is fixedly arranged on a rack in a horizontal state; the auxiliary supporting units are arranged in two groups, and the two groups of auxiliary supporting units are arranged on the inner wall of the annular frame in a mirror image state; the coaxial correcting mechanisms are provided with a plurality of groups, and the groups of coaxial correcting mechanisms are equidistantly arranged on the outer wall of the annular frame along the axial direction of the annular frame; the straight seam correcting mechanism is arranged at one end of the annular frame in a vertical state; the straight slit port clamping and correcting mechanism is fixedly arranged on one side of the rack in a vertical state; the straightening end of the straight slit port clamping straightening mechanism horizontally stretches across the upper part of the annular frame along the axial direction of the annular frame; the straight seam welding equipment is horizontally arranged on the straight seam port clamping and correcting mechanism; this application can carry out coaxial correction, straight joint correction and straight joint amalgamation to the long cylinder automatically and overlap the correction for long cylinder straight joint concatenation before the welding does not have the overlap and between two parties do not have the skew.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a device for long cylinder straight seam welding clamping and weld seam alignment.
Background
The double screw air compressor is the air compressor who uses very extensively in present industrial power, and it is steady that it has the air feed, and the power saving is with maintenance efficiency low grade advantage, and the high-pressure gas that produces through the double screw air compressor machine need be stored it in the gas holder usually to use, the production course of working of gas holder as follows: rolling a steel plate into a cylinder by a cylinder forming machine, welding a straight seam of the cylinder by a straight seam welding machine to form a can body, bending the edge of an end cover inwards by end cover forming equipment to form a necking, clamping the necking of the end cover in a port of the can body, and welding the end cover on the can body by a circular seam welding machine; if the application number is: CN201921823272.6 discloses a production of twin-screw air compressor machine is with gas holder transversal joint quick welding set and application number are: a long cylinder straight welding workstation disclosed in CN 201921115692.9; in the above patents, the long cylindrical straight seam is corrected by manual feeding and correction, and then the straight seam is pressed and welded, but the above patents have the following problems in practical operation: 1. the cylinder is difficult to feed and discharge, the feeding is repeated, and the labor intensity is high; 2. when the straight seam is welded, the position of the straight seam cannot be accurately corrected, manual adjustment is needed, the precision is poor, and the efficiency is low; 3. the straight seam is not coaxially pressed and spliced, and is directly welded, so that the diameter of a long cylinder at the welding position is not uniform, and the uniformity is poor; 4. the long cylinder is easy to overlap when straight seam is pressed;
therefore, the device for clamping and aligning the straight seam welding of the long cylinder is provided, and the technical problem is solved.
Disclosure of Invention
In view of the above, it is necessary to provide a device for clamping and aligning a straight weld seam of a long cylinder in order to solve the problems in the prior art.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
a device for long cylinder straight seam welding clamping and weld seam alignment comprises a frame, an annular frame, an auxiliary supporting unit, a coaxial correcting mechanism, a straight seam port clamping correcting mechanism and straight seam welding equipment; the annular frame is fixedly arranged on the frame in a horizontal state; the annular frame is arranged in a C shape, and the opening of the annular frame is arranged in the middle and upwards; the two groups of auxiliary supporting units are arranged on the inner wall of the annular frame in a mirror image state, and are arranged close to the bottom of the annular frame; the coaxial correcting mechanisms are provided with a plurality of groups, the groups of coaxial correcting mechanisms are equidistantly arranged on the outer wall of the annular frame along the axial direction of the annular frame, and the output ends of the groups of coaxial correcting mechanisms penetrate through the annular frame and are arranged towards the axial direction of the annular frame; the straight seam correcting mechanism is arranged at one end of the annular frame in a vertical state, the correcting end of the straight seam correcting mechanism faces the inside of the annular frame, and the correcting end of the straight seam correcting mechanism is arranged right below the opening of the annular frame in parallel along the axis direction of the annular frame; the straight slit port clamping and correcting mechanism is fixedly arranged on one side of the rack in a vertical state; the straightening end of the straight slit port clamping straightening mechanism horizontally stretches across the upper part of the annular frame along the axial direction of the annular frame; the straight welding equipment is arranged on the straight port clamping and correcting mechanism in a horizontal state, and the welding end of the straight welding equipment is over against the top of the annular frame.
Preferably, the auxiliary supporting unit includes a first supporting frame, a mounting table and a ball; the first support frame is attached to the inner wall of the annular frame in an inclined state, and is arranged close to the bottom of the annular frame; the mounting table is horizontally arranged at the top of the first support frame along the long side direction of the first support frame; the mounting table is also provided with a plurality of grooves which are arranged at equal intervals along the long edge direction of the mounting table; and a ball is embedded in each groove in a one-to-one correspondence manner.
Preferably, the coaxial correcting mechanism comprises a moving plate, a guide rod, a first electric push rod, a hinge joint and a pressing roller; the first electric push rod is fixedly arranged on the annular frame; the output end of the first electric push rod penetrates through the annular frame and is arranged towards the axial direction of the annular frame; the movable plate is fixedly arranged at the output end of the first electric push rod, two guide rods are further arranged on one side of the movable plate close to the first electric push rod, and the end parts of the two guide rods penetrate through the annular frame and are in sliding connection with the annular frame; the two articulated joints are arranged on the other side of the moving plate, which is far away from the first electric push rod, and are relatively and vertically arranged; the pressing roller is rotatably arranged between the two hinged joints in a crossing way.
Preferably, the straight seam straightening mechanism comprises a vertical reciprocating driver, a tripod, an inner support element and a welding seam correcting element; the vertical reciprocating driver is arranged at one end of the annular frame in a vertical state; the tripod is fixedly arranged at the output end of the vertical reciprocating driver in a horizontal state, and the end part of the tripod faces the inside of the annular frame; the inner supporting element is fixedly arranged on the tripod in a horizontal state; the welding seam correcting element is arranged in the inner support element in a horizontal telescopic mode.
Preferably, the vertical reciprocating driver comprises a fixed base, a first screw rod sliding table group, a guide sliding rail, a first sliding block and a first connecting frame; the first screw rod sliding table group is fixedly arranged on the fixed base in a vertical state; the two groups of guide sliding rails are oppositely arranged on two sides of the first screw rod sliding table group; the first sliding block is slidably arranged between the two groups of guide sliding rails, and one end of the first sliding block is fixedly connected with the output end of the first lead screw sliding table group; the first connecting frame is fixedly arranged at the other end of the first sliding block.
Preferably, the inner supporting element comprises a top supporting barrel, a lower notch and an upper notch; the top supporting barrel is horizontally arranged on the tripod; the lower gap is arranged at the lower end of the top support barrel in a penetrating way; the upper notch is arranged at the upper end of the top support barrel relative to the lower notch.
Preferably, the welding seam correcting element comprises a second electric push rod, a jacking plate, a second connecting frame and a correcting plate; the second electric push rod is fixedly arranged at the bottom of the top support barrel in a vertical state, and the output end of the second electric push rod penetrates through the top support barrel and faces the inner part of the lower notch; the jacking plate is fixedly arranged at the bottom of the jacking barrel in a horizontal state, and a second connecting frame for fixedly installing the correcting plate is further horizontally arranged at the output end of the second electric push rod; the tip of correction plate passes the setting of propping bucket towards the breach inside.
Preferably, the straight seam port clamping and correcting mechanism comprises a second support frame, a second mounting frame, a first clamping and correcting group, a second clamping and correcting group, an upper pressing and abutting unit, a lower sensing and abutting unit, a coordinate robot and a lifting frame; the second mounting frame is fixedly mounted at the end part of the second support frame in a horizontal state, and the second mounting frame is arranged right above the annular frame in a horizontal state; the first clamping correction group and the second clamping correction group are oppositely arranged at two ends of the second mounting frame in a mirror image state; the first clamping correction group and the second clamping correction group are respectively used for limiting, correcting and clamping two ends of a straight seam of the long cylinder, the second clamping correction group has the same structure as the first clamping correction group, and the second clamping correction group consists of an upper pressing and abutting unit, a lower sensing and abutting unit, a coordinate robot and a lifting frame; the coordinate robot is arranged on the upper surface of the second mounting frame in a horizontal state; the lifting frame is fixedly arranged at the output end of the coordinate robot in a vertical state; the lower induction conflict unit is fixedly arranged on the lifting frame; the lower induction conflict unit is fixedly arranged at the bottom of the lifting frame; the upper pressing conflict unit and the lower pressing conflict unit are fixedly arranged at the top of the lower sensing conflict unit in a vertical state relative to the lower sensing conflict unit.
Preferably, the upper and lower pressing and contacting units comprise a lower pressing cylinder, a second sliding block and a first lower pressing plate; the lower pressing cylinder is fixedly arranged at the top of the lifting frame in a vertical state; the output end of the pressing cylinder penetrates through the lifting frame and is arranged towards the interior of the lifting frame; the second sliding block is slidably arranged in the lifting frame; the output end of the pressing cylinder is fixedly connected with the top of the second sliding block; the first lower pressing plate is detachably arranged on one side of the second sliding block through a bolt.
Preferably, the lower induction abutting unit comprises a fixed block, a guide post, a spring, a second lower pressing plate and a contact type sensor; the fixed block is fixedly arranged in the lifting frame and is close to the bottom of the lifting frame; the two guide posts are arranged on the top of the fixed block in a vertical state; the second lower pressing plate is horizontally arranged right above the fixed block, and the connecting end of the second lower pressing plate is connected with the two guide posts in a sliding fit manner; the two springs are coaxially sleeved on the two guide posts respectively; one end of the spring is connected with the upper surface of the fixed block in an abutting mode, and the other end of the spring is connected with the lower surface of the second lower pressing plate in an abutting mode; one side of the fixed block is also vertically provided with a contact type sensor; the sensing end of the contact sensor faces the lower surface of the second lower pressing plate.
Compared with the prior art, the beneficial effect of this application is:
1. this application has realized how supplementary staff carries out the work of placing to the long cylinder through the cooperation of mount table and ball for the staff is more light when placing the long cylinder carry out axial rotation and the gliding work of pivot pull to follow the long cylinder, has reduced staff's the operation degree of difficulty by a wide margin.
2. The coaxial correction mechanism and the straight seam correction mechanism are matched, so that the work of carrying out coaxial correction, straight seam correction and seam closing on the long cylinder is realized, the long cylinder is stably spliced, the coaxiality is kept, and the splicing position is just right below the welding end of the straight seam welding equipment; the straight welding equipment is convenient to weld the straight welding equipment.
Drawings
FIG. 1 is a first perspective view of the present application;
FIG. 2 is a side view of the present application;
FIG. 3 is a second perspective view of the present application;
FIG. 4 is a perspective view of the present application with the slot straightening mechanism removed;
FIG. 5 is a perspective view of the frame, ring frame, auxiliary support unit and coaxial straightening mechanism of the present application.
FIG. 6 is a perspective view of a portion of the slotted port gripping orthotic mechanism of the present application;
FIG. 7 is a perspective view of a portion of a second clamping orthotic assembly according to the present application;
FIG. 8 is a perspective view of a second partial configuration of a second clamping orthotic set according to the present application;
FIG. 9 is a perspective view of the straightening mechanism of the present application;
FIG. 10 is an exploded perspective view of the straightening mechanism of the present application with the vertical reciprocating drive removed.
The reference numbers in the figures are:
1-a frame;
2-an annular frame;
3-an auxiliary support unit; 3 a-a first support frame; 3 b-an installation table; 3 c-a ball;
4-a coaxial straightening mechanism; 4 a-moving plate; 4 b-a guide bar; 4 c-a first electric push rod; 4 d-hinge joint; 4 e-a pressing roller;
5-straight seam correcting mechanism; 5 a-a vertical reciprocating drive; 5a 1-fixed base; 5a 2-first lead screw sliding table group; 5a 3-guide slide; 5a4 — first slider; 5a5 — first link frame; 5 b-tripod; 5 c-an internal stay element; 5c 1-Top prop bucket; 5c 2-lower notch; 5c 3-upper notch; 5 d-weld correction element; 5d1 — second electric putter; 5d 2-jacking plates; 5d3 — second link; 5d4 — correction plate;
6-a straight slit port clamping and correcting mechanism; 6 a-a second support; 6 b-a second mounting frame; 6 c-a first clamping correction group; 6 d-second clamping correction group; 6 e-a pressing and contacting unit up and down; 6e 1-push down cylinder; 6e2 — second slider; 6e 3-first lower platen; 6 f-lower induction conflict unit; 6f 1-fixed block; 6f 2-guide post; 6f 3-spring; 6f 4-second lower platen; 6f 5-touch sensor; 6 g-coordinate robot; 6g 1-sliding rail; 6g 2-slide; 6g 3-third electric putter; 6g 4-second screw rod sliding table group; 6 h-a lifting frame;
7-straight seam welding equipment.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1 to 10, the present application provides:
a device for long cylinder straight seam welding clamping and weld alignment comprises a machine frame 1, an annular frame 2, an auxiliary supporting unit 3, a coaxial correcting mechanism 4, a straight seam correcting mechanism 5, a straight seam port clamping correcting mechanism 6 and straight seam welding equipment 7; the annular frame 2 is fixedly arranged on the frame 1 in a horizontal state; the annular frame 2 is arranged in a C shape, and the opening of the annular frame 2 is arranged upwards in the middle; two groups of auxiliary supporting units 3 are arranged, the two groups of auxiliary supporting units 3 are arranged on the inner wall of the annular frame 2 in a mirror image state, and the two groups of auxiliary supporting units 3 are arranged close to the bottom of the annular frame 2; the coaxial straightening mechanisms 4 are provided with a plurality of groups, the coaxial straightening mechanisms 4 are equidistantly arranged on the outer wall of the annular frame 2 along the axial direction of the annular frame 2, and the output ends of the coaxial straightening mechanisms 4 penetrate through the annular frame 2 and are arranged towards the axial direction of the annular frame 2; the straight seam correcting mechanism 5 is vertically arranged at one end of the annular frame 2, the correcting end of the straight seam correcting mechanism 5 faces the inside of the annular frame 2, and the correcting end of the straight seam correcting mechanism 5 is arranged right below the opening of the annular frame 2 in parallel along the axial direction of the annular frame 2; the straight slit port clamping and correcting mechanism 6 is fixedly arranged on one side of the rack 1 in a vertical state; the straightening end of the straight slit port clamping straightening mechanism 6 horizontally stretches across the annular frame 2 along the axial direction of the annular frame 2; the straight seam welding equipment 7 is horizontally arranged on the straight seam port clamping and correcting mechanism 6, and the welding end of the straight seam welding equipment 7 is arranged right opposite to the top of the annular frame 2.
Based on the above embodiment, the coaxial correction mechanisms 4 are provided with at least four groups, the four groups of coaxial correction mechanisms 4 are used for respectively performing four-direction supporting work on the left lower part, the left upper part, the right lower part and the right upper part of a long cylinder which is placed on the auxiliary support units 3, when a straight seam of the long cylinder needs to be welded, a worker firstly places the long cylinder horizontally between the two groups of auxiliary support units 3, the two groups of auxiliary support units 3 are used for assisting the long cylinder to roll and facilitating drawing movement of the long cylinder, after the long cylinder is placed between the two groups of auxiliary support units 3, the worker rotates the axis of the long cylinder, adjusts the straight seam of the long cylinder to be clamped to the correction end of the straight seam correction mechanism 5, so that the straight seam welding end of the long cylinder is positioned at two sides of the correction end of the straight seam correction mechanism 5, after the adjustment is finished, the long cylinder is horizontally pushed towards the inside of the annular frame 2, the long cylinder is stopped after being pushed to a position to be processed, the long cylinder is manually far away from equipment, then an external power supply is connected to drive the coaxial correction mechanism 4 to work, the long cylinder has a specified cylinder diameter specification during production and welding, when the coaxial correction mechanism 4 is driven, the extended length of the output end of the coaxial correction mechanism 4 can be moved to the same diameter of the external diameter of the preset cylinder diameter, when the output ends of the four groups of coaxial correction mechanisms 4 extend synchronously, the long cylinder can be centrally contracted under the support of the four groups of coaxial correction mechanisms 4 and is coaxial with the annular frame 2, the straight seam of the long cylinder can also be abutted against two sides of the correction end of the straight seam correction mechanism 5 under the extrusion of the coaxial correction mechanisms 4, when the straight seam end of the long cylinder slightly deviates when abutted against the correction end of the straight seam correction mechanism 5, the self-independent axial rotation adjustment can also be carried out under the synchronous extrusion state of the four groups of coaxial correction mechanisms 4, until the straight seam of the long cylinder is completely attached and abutted to two sides of the correction end of the straight seam correction mechanism 5, in order to avoid overlapping of the straight seam of the long cylinder, the two ends of the straight seam butt joint of the long cylinder can be limited and clamped by driving the straight seam port clamping and correction mechanism 6, and the two ends of the straight seam of the long cylinder are coaxially pressed; finally, the correction end of the straight seam correction mechanism 5 radially contracts towards the axis of the annular frame 2 in the radial direction, the long cylinder is completely contacted and closed at the straight seam under the pressure of the coaxial correction mechanism 4, finally, the straight seam welding equipment 7 is driven to perform spot welding on the straight seam, after the spot welding is finished, the straight seam port clamping correction mechanism 6 retreats from the two ends of the long cylinder, and finally, the straight seam welding equipment 7 is used for welding the straight seam of the long cylinder; the straight seam welding device 7 is prior art and not shown in detail.
Further, as shown in fig. 5:
the auxiliary supporting unit 3 comprises a first supporting frame 3a, a mounting table 3b and a ball 3 c; the first support frame 3a is attached to the inner wall of the annular frame 2 in an inclined state, and the first support frame 3a is arranged close to the bottom of the annular frame 2; the mounting table 3b is horizontally arranged on the top of the first support frame 3a along the long side direction of the first support frame 3 a; the mounting table 3b is also provided with a plurality of grooves which are arranged at equal intervals along the long side direction of the mounting table 3 b; and a ball 3c is embedded in each groove in a one-to-one correspondence manner.
Based on above-mentioned embodiment, mount table 3b cooperation ball 3c is used for carrying out supplementary gliding work to placing in the long cylinder of annular frame 2 inside, even if be convenient for the staff to carry out the axis rotation to the long cylinder and adjust, the staff of also being convenient for to the work of long cylinder towards the inside propelling movement of annular frame 2 and pull-out, mount table 3 b's end still is provided with the limiting plate, the limiting plate is used for carrying out the work of pulling out to the long cylinder when the long cylinder is towards the inside propelling movement of annular frame 2.
Further, as shown in fig. 5:
the coaxial correcting mechanism 4 comprises a moving plate 4a, a guide rod 4b, a first electric push rod 4c, a hinge joint 4d and a pressing roller 4 e; the first electric push rod 4c is fixedly arranged on the annular frame 2; the output end of the first electric push rod 4c penetrates through the annular frame 2 and is arranged towards the axial direction of the annular frame 2; the moving plate 4a is fixedly arranged at the output end of the first electric push rod 4c, two guide rods 4b are further arranged on one side of the moving plate 4a close to the first electric push rod 4c in the direction, and the end parts of the two guide rods 4b penetrate through the annular frame 2 and are in sliding connection with the annular frame 2; two articulated joints 4d are arranged, and the two articulated joints 4d are relatively and vertically arranged on the other side of the moving plate 4a far away from the first electric push rod 4 c; the pressing roller 4e is rotatably provided across between the two hinges 4 d.
Based on the embodiment, when the long cylinder needs to be corrected and extruded, only an external power supply needs to be connected to drive the first electric push rod 4c to work, and the output shaft of the first electric push rod 4c extends to drive the movable plate 4a and the pressing roller 4e to synchronously approach towards the outer wall of the long cylinder until the bottom of the outer wall of the pressing roller 4e reaches the outer wall of the long cylinder and then the pressing roller is extruded; thereby completing the coaxial correction work of the long cylinder.
Further, as shown in fig. 9:
the straight seam correcting mechanism 5 comprises a vertical reciprocating driver 5a, a tripod 5b, an inner support element 5c and a welding seam correcting element 5 d; the vertical reciprocating driver 5a is vertically arranged at one end of the annular frame 2; the tripod 5b is fixedly arranged at the output end of the vertical reciprocating driver 5a in a horizontal state, and the end part of the tripod 5b faces the inside of the annular frame 2; the inner supporting element 5c is fixedly arranged on the tripod 5b in a horizontal state; the weld correcting element 5d is telescopically arranged in the inner support element 5c in a horizontal state.
Based on the above embodiment, before the long cylinder is welded, the inner support element 5c and the weld correction element 5d are driven by the vertical reciprocating driver 5a to vertically ascend, so that the correction end of the weld correction element 5d moves to the preset position of the long cylinder after being placed in the annular frame 2, and the straight seam of the long cylinder can be just inserted to the correction end of the weld correction element 5d when a worker places the long cylinder in the annular frame 2; thereby finishing the preliminary correction work before the long cylinder straight seam welding machine.
Further, as shown in fig. 9:
the vertical reciprocating driver 5a includes a fixed base 5a1, a first screw slider group 5a2, a guide rail 5a3, a first slider 5a4 and a first link frame 5a 5; the first screw rod sliding table group 5a2 is fixedly arranged on the fixed base 5a1 in a vertical state; two groups of guide slide rails 5a3 are arranged, and two groups of guide slide rails 5a3 are oppositely arranged at two sides of the first screw rod slide table group 5a 2; the first slider 5a4 is slidably disposed between the two sets of guide rails 5a3, and one end of the first slider 5a4 is fixedly connected to the output end of the first screw slider set 5a 2; the first link 5a5 is fixedly mounted to the other end of the first slider 5a 4.
Based on the above embodiment, the first connecting frame 5a5 is used to fixedly connect the tripod 5b and the first sliding block 5a 4.
Further, as shown in fig. 10:
the inner supporting element 5c comprises a top supporting barrel 5c1, a lower notch 5c2 and an upper notch 5c 3; the top supporting barrel 5c1 is horizontally arranged on the tripod 5 b; the lower notch 5c2 is arranged at the lower end of the top support barrel 5c1 in a penetrating way; the upper notch 5c3 is opened at the upper end of the top support barrel 5c1 corresponding to the lower notch 5c 2.
Based on the above embodiment, the top of the top supporting barrel 5c1 is arc-shaped, when the long cylinder is corrected by the coaxial correcting mechanism 4, the top of the top supporting barrel 5c1 can be used for lapping the straight seam end edge of the long cylinder and simultaneously conducting guiding auxiliary correction work; when the correction is performed by the coaxial correction mechanism 4, the straight seam notch of the long cylinder can be guided along the top support barrel 5c1 to slide and abut against the two sides of the correction end of the welding seam correction element 5 d.
Further, as shown in fig. 10:
the weld correcting element 5d includes a second electric push rod 5d1, a lift plate 5d2, a second connecting frame 5d3, and a correcting plate 5d 4; the second electric push rod 5d1 is fixedly mounted at the bottom of the top support barrel 5c1 in a vertical state, and the output end of the second electric push rod 5d1 penetrates through the top support barrel 5c1 and is arranged towards the inner part of the lower notch 5c 2; the jacking plate 5d2 is fixedly arranged at the bottom of the jacking barrel 5c1 in a horizontal state, and the output end of the second electric push rod 5d1 is also horizontally provided with a second connecting frame 5d3 for fixedly arranging the correction plate 5d 4; the end of the correction plate 5d4 is disposed through the top-prop barrel 5c1 toward the inside of the upper notch 5c 3.
Based on the above embodiment, the correction plate 5d4 is used for performing correction work on the straight seam gap of the long cylinder, the correction plate 5d4 is matched with the coaxial correction mechanism 4 to perform limiting and centering correction work on the straight seam gap of the long cylinder, the correction plate 5d4 extends out under the driving of the second electric push rod 5d1 before correction so as to assist workers in inserting and installing the long cylinder, and when the coaxial correction mechanism 4 is driven to work, the correction plate 5d4 blocks the limiting and auxiliary correction work.
Further, as shown in fig. 3 and 6:
the straight slit port clamping and correcting mechanism 6 comprises a second support frame 6a, a second mounting frame 6b, a first clamping and correcting group 6c, a second clamping and correcting group 6d, an upper pressing and abutting unit 6e, a lower sensing and abutting unit 6f, a coordinate robot 6g and a lifting frame 6 h; the second mounting frame 6b is fixedly mounted at the end part of the second support frame 6a in a horizontal state, and the second mounting frame 6b is arranged right above the annular frame 2 in a horizontal state; the first clamping correction group 6c and the second clamping correction group 6d are oppositely arranged at two ends of the second mounting frame 6b in a mirror image state; the first clamping correction group 6c and the second clamping correction group 6d are respectively used for limiting, correcting and clamping two ends of a straight seam of the long cylinder, the second clamping correction group 6d is identical to the first clamping correction group 6c in structure, and the second clamping correction group 6d is composed of an upper pressing and abutting unit 6e, a lower sensing and abutting unit 6f, a coordinate robot 6g and a lifting frame 6 h; the coordinate robot 6g is arranged on the upper surface of the second mounting frame 6b in a horizontal state; the lifting frame 6h is fixedly arranged at the output end of the coordinate robot 6g in a vertical state; the lower induction conflict unit 6f is fixedly arranged on the lifting frame 6 h; the lower induction conflict unit 6f is fixedly arranged at the bottom of the lifting frame 6 h; the upper and lower pressing abutting units 6e are fixedly installed on the top of the lower induction abutting unit 6f in a vertical state relative to the lower induction abutting unit 6 f.
Based on the embodiment, after the long cylinder straight slit gap is centered and corrected through the matching of the coaxial correction mechanism 4 and the straight slit correction mechanism 5, the coordinate robot 6g drives the lifting frame 6h to move and adjust to the clamping correction station; the long cylinder straight slit gap is positioned between the upper and lower pressing and abutting units 6e and the lower induction and abutting units 6 f; then driving a coordinate robot 6g to work, driving a lower induction collision unit 6f to vertically ascend until a clamping end of the lower induction collision unit 6f is attached to the inner wall of the straight slit of the long cylinder, stopping, connecting an external power supply to work an upper pressing and collision unit 6e, pressing an output end of the upper pressing and collision unit 6e from top to bottom to the outer wall of the long cylinder, wherein the pressing height is a preset height, and the distance between adjacent surfaces of the upper pressing and collision unit 6e and the lower induction collision unit 6f is the same as the wall thickness of the long cylinder to be welded; after the exposed wall and the inner wall of long cylinder were conflicted to in the centre gripping branch of pressing conflict unit 6e and lower response conflict unit 6f from top to bottom, accomplished the guide work to long cylinder transversal joint department promptly, pressed from top to bottom to touch the unit 6e and the concrete theory of operation of lower response conflict unit 6f and be: the lifting frame 6h is driven by the coordinate robot 6g to vertically lift in a working state, when an abutting surface of the second lower pressing plate 6f4 is in contact with the inner wall of the long cylinder, the second lower pressing plate 6f4 is contracted along the axis of the guide column 6f2 under pressure and approaches towards the direction of the contact sensor 6f5 until the lower surface of the second lower pressing plate 6f4 is pressed and abutted to the detection end of the contact sensor 6f5 under external force, and the contact sensor 6f5 sends an electric signal to control the coordinate robot 6g to stop vertical lifting after sensing that the contact with the second lower pressing plate 6f4 is achieved; after the second lower pressing plate 6f4 is corrected, the lower pressing cylinder 6e1 drives the first lower pressing plate 6e3 to work, so that the first lower pressing plate 6e3 is pressed down to the outer wall of the cylinder; when the straight seam correcting mechanism 5 exits from the straight seam, the straight seam of the long cylinder cannot be overlapped and deviated under the matching of the upper pressing abutting unit 6e and the lower sensing abutting unit 6f, so that the stability of the superposition of the straight seam of the long cylinder after the correcting end of the straight seam correcting mechanism 5 exits is ensured; the coordinate robot 6g consists of a sliding rail 6g1, a sliding table 6g2, a third electric push rod 6g3 and a second screw sliding table group 6g 4; the slide rail 6g1 is horizontally arranged on the second mounting rack 6 b; the sliding table 6g2 is slidably arranged on the sliding rail 6g 1; the third electric push rod 6g3 is fixedly arranged on the second mounting bracket 6b, and the output end of the second mounting bracket 6b is fixedly connected with one end of the sliding table 6g 2; the second screw rod sliding table group 6g4 is fixedly arranged at the other end of the sliding table 6g2 in a vertical state, and the second screw rod sliding table group 6g4 is used for driving the upper and lower pressing collision units 6e and the lower induction collision unit 6f to be far away from or close to the end part of the long cylinder; the second screw rod sliding table group 6g4 is used for controlling and adjusting the distance between the upper pressing and abutting unit 6e and the lower sensing and abutting unit 6f in the vertical direction, the coordinate robot 6g is not limited to the above, and an industrial manipulator can be used for replacing the coordinate robot 6g for operation.
Further, as shown in fig. 7 and 8:
the up-down pressing and abutting unit 6e includes a down-pressing cylinder 6e1, a second slider 6e2, and a first lower platen 6e 3; the lower pressing air cylinder 6e1 is fixedly arranged at the top of the lifting frame 6h in a vertical state; the output end of the lower air cylinder 6e1 penetrates through the lifting frame 6h and faces the inside of the lifting frame 6 h; the second slide block 6e2 can be slidably arranged in the lifting frame 6 h; the output end of the lower air cylinder 6e1 is fixedly connected with the top of the second slide block 6e 2; the first lower pressing plate 6e3 is detachably disposed on one side of the second slider 6e2 by bolts.
Based on the above embodiment, the first lower pressing plate 6e3 is used for pressing down to the upper surface of the straight slit end of the long cylinder under the driving of the lower pressing cylinder 6e 1; the push-down cylinder 6e1 may also be an electric push rod.
Further, as shown in fig. 7 and 8:
the lower induction butting unit 6f comprises a fixed block 6f1, a guide post 6f2, a spring 6f3, a second lower pressing plate 6f4 and a touch sensor 6f 5; the fixed block 6f1 is fixedly arranged in the lifting frame 6h, and the fixed block 6f1 is arranged close to the bottom of the lifting frame 6 h; two guide posts 6f2 are arranged, and the two guide posts 6f2 are vertically arranged on the top of the fixed block 6f1 oppositely; the second lower pressing plate 6f4 is horizontally arranged right above the fixed block 6f1, and the connecting end of the second lower pressing plate 6f4 is connected with the two guide posts 6f2 in a sliding fit manner; two springs 6f3 are arranged, and the two springs 6f3 are coaxially sleeved on the two guide posts 6f2 respectively; one end of the spring 6f3 is connected with the upper surface of the fixed block 6f1 in an abutting mode, and the other end of the spring 6f3 is connected with the lower surface of the second lower pressing plate 6f4 in an abutting mode; a contact sensor 6f5 is vertically arranged on one side of the fixed block 6f 1; the sensing end of the touch sensor 6f5 is disposed toward the lower surface of the second lower platen 6f 4.
Based on the above embodiment, the lifting frame 6h is driven by the coordinate robot 6g to vertically lift in the working state, when the contact surface of the second lower pressing plate 6f4 contacts with the inner wall of the long cylinder, the second lower pressing plate 6f4 is contracted along the axis of the guide post 6f2 by pressure and approaches towards the direction of the contact sensor 6f5, until the lower surface of the second lower pressing plate 6f4 is pressed and abutted to the detection end of the contact sensor 6f5 under external force, and the contact sensor 6f5 sends an electric signal to control the coordinate robot 6g to stop vertical lifting work after sensing contact with the second lower pressing plate 6f 4.
The method can automatically perform coaxial correction, straight seam correction and straight seam splicing overlapping correction on the long cylinder, so that the long cylinder straight seam splicing specification before welding is uniform, no overlapping exists, and no offset exists in the middle; high adjusting precision, uniform welding products and high efficiency.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A device for long cylinder straight seam welding clamping and weld seam alignment is characterized by comprising a machine frame (1), an annular frame (2), an auxiliary supporting unit (3), a coaxial correcting mechanism (4), a straight seam correcting mechanism (5), a straight seam port clamping correcting mechanism (6) and straight seam welding equipment (7); the annular frame (2) is fixedly arranged on the frame (1) in a horizontal state; the annular frame (2) is arranged in a C shape, and the opening of the annular frame (2) is arranged in the middle and upwards; two groups of auxiliary supporting units (3) are arranged, the two groups of auxiliary supporting units (3) are arranged on the inner wall of the annular frame (2) in a mirror image state, and the two groups of auxiliary supporting units (3) are arranged close to the bottom of the annular frame (2); the coaxial correcting mechanisms (4) are provided with a plurality of groups, the plurality of groups of coaxial correcting mechanisms (4) are equidistantly arranged on the outer wall of the annular frame (2) along the axial direction of the annular frame (2), and the output ends of the plurality of groups of coaxial correcting mechanisms (4) penetrate through the annular frame (2) and are arranged towards the axial direction of the annular frame (2); the straight seam correcting mechanism (5) is arranged at one end of the annular frame (2) in a vertical state, the correcting end of the straight seam correcting mechanism (5) faces the inside of the annular frame (2), and the correcting end of the straight seam correcting mechanism (5) is arranged right below the opening of the annular frame (2) in parallel along the axis direction of the annular frame (2); the straight slit port clamping and correcting mechanism (6) is fixedly arranged on one side of the rack (1) in a vertical state; the straightening end of the straight slit port clamping straightening mechanism (6) horizontally stretches across the annular frame (2) along the axial direction of the annular frame (2); the straight seam welding equipment (7) is horizontally arranged on the straight seam port clamping and correcting mechanism (6), and the welding end of the straight seam welding equipment (7) is arranged right opposite to the top of the annular frame (2);
the straight seam correcting mechanism (5) comprises a vertical reciprocating driver (5 a), a tripod (5 b), an inner support element (5 c) and a welding seam correcting element (5 d); the vertical reciprocating driver (5 a) is arranged at one end of the annular frame (2) in a vertical state; the tripod (5 b) is fixedly arranged at the output end of the vertical reciprocating driver (5 a) in a horizontal state, and the end part of the tripod (5 b) faces the inside of the annular frame (2); the inner supporting element (5 c) is fixedly arranged on the tripod (5 b) in a horizontal state; the welding seam correcting element (5 d) is arranged in the inner support element (5 c) in a horizontal state in a telescopic manner;
the vertical reciprocating driver (5 a) comprises a fixed base (5 a 1), a first screw rod sliding table group (5 a 2), a guide sliding rail (5 a 3), a first sliding block (5 a 4) and a first connecting frame (5 a 5); the first screw rod sliding table group (5 a 2) is fixedly arranged on the fixed base (5 a 1) in a vertical state; two groups of guide slide rails (5 a 3) are arranged, and two groups of guide slide rails (5 a 3) are oppositely arranged at two sides of the first screw rod slide table group (5 a 2); the first sliding block (5 a 4) is slidably arranged between the two groups of guide sliding rails (5 a 3), and one end of the first sliding block (5 a 4) is fixedly connected with the output end of the first screw rod sliding table group (5 a 2); the first connecting frame (5 a 5) is fixedly arranged at the other end of the first sliding block (5 a 4);
the inner supporting element (5 c) comprises a top supporting barrel (5 c 1), a lower notch (5 c 2) and an upper notch (5 c 3); the top supporting barrel (5 c 1) is horizontally arranged on the tripod (5 b); the lower notch (5 c 2) is arranged at the lower end of the top support barrel (5 c 1) in a penetrating way; the upper notch (5 c 3) is opened at the upper end of the top support barrel (5 c 1) relative to the lower notch (5 c 2);
the welding seam correcting element (5 d) comprises a second electric push rod (5 d 1), a jacking plate (5 d 2), a second connecting frame (5 d 3) and a correcting plate (5 d 4); the second electric push rod (5 d 1) is fixedly arranged at the bottom of the top support barrel (5 c 1) in a vertical state, and the output end of the second electric push rod (5 d 1) penetrates through the top support barrel (5 c 1) and is arranged towards the inner part of the lower notch (5 c 2); the jacking plate (5 d 2) is fixedly installed at the bottom of the jacking barrel (5 c 1) in a horizontal state, and a second connecting frame (5 d 3) for fixedly installing the correcting plate (5 d 4) is further horizontally arranged at the output end of the second electric push rod (5 d 1); the end of the correction plate (5 d 4) is disposed through the top prop barrel (5 c 1) toward the inside of the upper notch (5 c 3).
2. The apparatus for long cylinder straight seam welding clamping and weld seam alignment according to claim 1, characterized in that the auxiliary support unit (3) comprises a first support frame (3 a), a mounting table (3 b) and a ball (3 c); the first support frame (3 a) is attached to the inner wall of the annular frame (2) in an inclined state, and the first support frame (3 a) is arranged close to the bottom of the annular frame (2); the mounting table (3 b) is horizontally arranged at the top of the first support frame (3 a) along the long side direction of the first support frame (3 a); the mounting table (3 b) is also provided with a plurality of grooves which are arranged at equal intervals along the long side direction of the mounting table (3 b); and a ball (3 c) is embedded in each groove in a one-to-one correspondence manner.
3. The long cylinder straight seam welding clamping and seam aligning device according to claim 2, characterized in that the coaxial straightening mechanism (4) comprises a moving plate (4 a), a guide rod (4 b), a first electric push rod (4 c), a hinge joint (4 d) and a pressing roller (4 e); the first electric push rod (4 c) is fixedly arranged on the annular frame (2); the output end of the first electric push rod (4 c) penetrates through the annular frame (2) and is arranged towards the axial direction of the annular frame (2); the moving plate (4 a) is fixedly arranged at the output end of the first electric push rod (4 c), two guide rods (4 b) are further arranged on one side of the moving plate (4 a) close to the first electric push rod (4 c) in the direction, and the end parts of the two guide rods (4 b) penetrate through the annular frame (2) and are in sliding connection with the annular frame (2); two articulated joints (4 d) are arranged, and the two articulated joints (4 d) are relatively and vertically arranged on the other side of the moving plate (4 a) far away from the first electric push rod (4 c); the pressing roller (4 e) is rotatably arranged between the two hinged joints (4 d).
4. The long cylinder straight seam welding clamping and seam alignment device according to claim 3, wherein the straight seam port clamping correction mechanism (6) comprises a second support frame (6 a), a second mounting frame (6 b), a first clamping correction group (6 c), a second clamping correction group (6 d), an upper and lower pressing contact unit (6 e), a lower induction contact unit (6 f), a coordinate robot (6 g) and a lifting frame (6 h); the second mounting frame (6 b) is fixedly mounted at the end part of the second support frame (6 a) in a horizontal state, and the second mounting frame (6 b) is arranged right above the annular frame (2) in a horizontal state; the first clamping correction group (6 c) and the second clamping correction group (6 d) are oppositely arranged at two ends of the second mounting frame (6 b) in a mirror image state; the first clamping correction group (6 c) and the second clamping correction group (6 d) are respectively used for limiting, correcting and clamping two ends of a straight seam of the long cylinder, the second clamping correction group (6 d) has the same structure as the first clamping correction group (6 c), and the second clamping correction group (6 d) consists of an upper pressing and abutting unit (6 e), a lower sensing and abutting unit (6 f), a coordinate robot (6 g) and a lifting frame (6 h); the coordinate robot (6 g) is arranged on the upper surface of the second mounting frame (6 b) in a horizontal state; the lifting frame (6 h) is fixedly arranged at the output end of the coordinate robot (6 g) in a vertical state; the lower induction conflict unit (6 f) is fixedly arranged on the lifting frame (6 h); the lower induction conflict unit (6 f) is fixedly arranged at the bottom of the lifting frame (6 h); the upper pressing and butting unit (6 e) and the lower pressing and butting unit (6 e) are vertically fixedly arranged at the top of the lower sensing and butting unit (6 f).
5. The apparatus for long cylinder straight seam welding clamping and weld seam alignment according to claim 4, wherein the upper and lower press contact unit (6 e) comprises a lower press cylinder (6 e 1), a second slider (6 e 2) and a first lower press plate (6 e 3); the downward pressing air cylinder (6 e 1) is fixedly arranged at the top of the lifting frame (6 h) in a vertical state; the output end of the pressing cylinder (6 e 1) passes through the lifting frame (6 h) and is arranged towards the inside of the lifting frame (6 h); the second sliding block (6 e 2) is arranged in the lifting frame (6 h) in a sliding way; the output end of the pressing cylinder (6 e 1) is fixedly connected with the top of the second slide block (6 e 2); the first lower pressure plate (6 e 3) is detachably arranged on one side of the second sliding block (6 e 2) through bolts.
6. The long cylinder straight seam welding clamping and weld aligning device according to claim 5, characterized in that the lower induction interference unit (6 f) comprises a fixed block (6 f 1), a guide post (6 f 2), a spring (6 f 3), a second lower pressure plate (6 f 4) and a contact sensor (6 f 5); the fixed block (6 f 1) is fixedly arranged in the lifting frame (6 h), and the fixed block (6 f 1) is arranged close to the bottom of the lifting frame (6 h); two guide posts (6 f 2) are arranged, and the two guide posts (6 f 2) are vertically arranged on the top of the fixed block (6 f 1) oppositely; the second lower pressing plate (6 f 4) is horizontally arranged right above the fixed block (6 f 1), and the connecting end of the second lower pressing plate (6 f 4) is connected with the two guide posts (6 f 2) in a sliding fit manner; two springs (6 f 3) are arranged, and the two springs (6 f 3) are respectively coaxially sleeved on the two guide columns (6 f 2); one end of the spring (6 f 3) is connected with the upper surface of the fixed block (6 f 1) in an abutting mode, and the other end of the spring (6 f 3) is connected with the lower surface of the second lower pressing plate (6 f 4) in an abutting mode; a contact type sensor (6 f 5) is vertically arranged on one side of the fixed block (6 f 1); the sensing end of the touch sensor (6 f 5) faces the lower surface of the second lower pressure plate (6 f 4).
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| CN115091047B (en) * | 2022-08-26 | 2022-12-13 | 靖江市顺欣空调设备制造有限公司 | Axial flow air duct straight seam laser welding equipment |
| CN117399893B (en) * | 2023-12-04 | 2024-03-22 | 山东国信工业科技股份有限公司 | Electric boiler barrel processing welding set |
| CN118180715A (en) * | 2024-04-01 | 2024-06-14 | 江苏科茂新材料科技有限公司 | Cold-rolled sheet welding production equipment |
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